code: def get_func_name(self):
      func_name = f"func{self._func_idx}.()"
      self._func_idx += 1
      return func_name
  
file_path: m2cgen/m2cgen/interpreters/elixir/code_generator.py
imports: from contextlib import contextmanager
  from m2cgen.interpreters.code_generator import CodeTemplate, FunctionalCodeGenerator
label_desc: Use image node_id 2 for calling the ElixirCodeGenerator obj's underlying member method code with example usage: obj.get_func_name() and returns: func_name